From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id C2DFFA32A2 for ; Thu, 24 Oct 2019 16:55:24 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id B9D711EAE1; Thu, 24 Oct 2019 16:55:24 +0200 (CEST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id A75731EAE1; Thu, 24 Oct 2019 16:55:22 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Oct 2019 07:55:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,225,1569308400"; d="scan'208";a="228541531" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.10]) ([10.237.221.10]) by fmsmga002.fm.intel.com with ESMTP; 24 Oct 2019 07:55:18 -0700 To: David Marchand Cc: Gagandeep Singh , Hemant Agrawal , Akhil Goyal , dev , dpdk stable References: <20190905145315.19395-1-ferruh.yigit@intel.com> <20190905145315.19395-6-ferruh.yigit@intel.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-stable] [PATCH 05/10] crypto/dpaa2_sec: fix global variable multiple definitions X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" On 10/24/2019 3:53 PM, David Marchand wrote: > On Thu, Sep 5, 2019 at 4:54 PM Ferruh Yigit wrote: >> >> 'rta_sec_era' global variable is defined in 'crypto/dpaa2_sec', >> 'crypto/caam_jr' & 'crypto/dpaa_sec' PMDs with the same name. This means >> they share same storage when application linked with static DPDK >> library, which is not the intention. Three differing drivers sharing >> same global variable is a defect. >> >> Variable has been used by multiple header files in static inline >> functions and these header files are shared by all three PMDs, this >> forces using same variable name in three PMDs. >> >> Since the variable is used only single .c file in 'crypto/dpaa2_sec' & >> 'crypto/dpaa_sec' converting global variable to 'static', this requires >> removing 'extern' definition from header files, and this requires moving >> the global variable definition before including those headers in .c >> files. >> >> For 'crypto/caam_jr' multiple .c files exists and includes these >> headers which prevent making variable static, so only one file has the >> global variable and others has 'extern' keyword on .c files. >> >> This change should let all three drivers have their own storage for the >> 'rta_sec_era' global variable without multiple definitions. >> >> Fixes: 1d678de329ab ("crypto/caam_jr: add basic job ring routines") >> Fixes: c3e85bdcc6e6 ("crypto/dpaa_sec: add crypto driver for NXP DPAA platform") >> Cc: stable@dpdk.org > > Hit a build issue, with gcc, static build: > > ../drivers/crypto/dpaa_sec/dpaa_sec.c:33:25: error: static declaration > of ‘rta_sec_era’ follows non-static declaration > 33 | static enum rta_sec_era rta_sec_era; > | ^~~~~~~~~~~ > In file included from > ../drivers/crypto/dpaa_sec/../dpaa2_sec/hw/rta/sec_run_time_asm.h:10, > from ../drivers/crypto/dpaa_sec/dpaa_sec.c:32: > ../drivers/crypto/dpaa_sec/../dpaa2_sec/hw/desc.h:21:25: note: > previous declaration of ‘rta_sec_era’ was here > 21 | extern enum rta_sec_era rta_sec_era; > | ^~~~~~~~~~~ > > And > > ../drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c:33:25: error: static > declaration of ‘rta_sec_era’ follows non-static declaration > 33 | static enum rta_sec_era rta_sec_era = RTA_SEC_ERA_8; > | ^~~~~~~~~~~ > In file included from ../drivers/crypto/dpaa2_sec/hw/rta/sec_run_time_asm.h:10, > from ../drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c:32: > ../drivers/crypto/dpaa2_sec/hw/desc.h:21:25: note: previous > declaration of ‘rta_sec_era’ was here > 21 | extern enum rta_sec_era rta_sec_era; > | ^~~~~~~~~~~ > [5/86] Compiling C object > 'drivers/a715181@@tmp_rte_pmd_caam_jr@sta/crypto_caam_jr_caam_jr.c.o'. > > Would you be OK to defer the set to the next release?